deviceWidth()
$(window).resize(function(){
	deviceWidth();
	document.getElementById("fxBg").height = $(window).height()+10;
})
function deviceWidth(){
	var deviceWidth = document.documentElement.clientWidth;
		if(deviceWidth > 750) deviceWidth = 750;
		document.documentElement.style.fontSize = deviceWidth / 7.5 + 'px';
}
